Manufacture of ferrochromium in the elec
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Article
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1908
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Wiley (John Wiley & Sons)
β 156 KB
SCHIEPFELlI\'--J~NUBBCTURE .OB LITHIA FROM LEPIDOLITE. 649 1 scnt an actunl (Iecomposition of 95.3 per cent. Por ~ 3 Iiours, tcmp. in furnnco WRS 120" C. ; I hour at. 130' C. ; New York Section. 13 hours nt-150' C. ; I+ hours n t 104' C. ; .l.hour at ?a09 C. ; hour nt 340' L ! . ; i i total of eight